DE69726401D1 - Komposit magnetmaterial und material zur unterdruckung von elektromagnetischen interferenzen - Google Patents

Komposit magnetmaterial und material zur unterdruckung von elektromagnetischen interferenzen

Info

Publication number
DE69726401D1
DE69726401D1 DE69726401T DE69726401T DE69726401D1 DE 69726401 D1 DE69726401 D1 DE 69726401D1 DE 69726401 T DE69726401 T DE 69726401T DE 69726401 T DE69726401 T DE 69726401T DE 69726401 D1 DE69726401 D1 DE 69726401D1
Authority
DE
Germany
Prior art keywords
composite magnetic
suppressing electromagnetic
electromagnetic interferences
magnetic material
interferences
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE69726401T
Other languages
English (en)
Other versions
DE69726401T2 (de
Inventor
Shigeyoshi Yoshida
Norihiko Ono
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tokin Corp
Original Assignee
NEC Tokin Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NEC Tokin Corp filed Critical NEC Tokin Corp
Application granted granted Critical
Publication of DE69726401D1 publication Critical patent/DE69726401D1/de
Publication of DE69726401T2 publication Critical patent/DE69726401T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K9/00—Screening of apparatus or components against electric or magnetic fields
    • H05K9/0073—Shielding materials
    • H05K9/0081—Electromagnetic shielding materials, e.g. EMI, RFI shielding
    • H05K9/0083—Electromagnetic shielding materials, e.g. EMI, RFI shielding comprising electro-conductive non-fibrous particles embedded in an electrically insulating supporting structure, e.g. powder, flakes, whiskers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
    • H01F1/14—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys
    • H01F1/20—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder
    • H01F1/22—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together
    • H01F1/24—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together the particles being insulated
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
    • H01F1/14—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys
    • H01F1/20—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder
    • H01F1/22—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together
    • H01F1/24—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together the particles being insulated
    • H01F1/26—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together the particles being insulated by macromolecular organic substances
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
    • H01F1/14—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys
    • H01F1/20—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder
    • H01F1/28—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder dispersed or suspended in a bonding agent

Landscapes

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Electromagnetism (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Soft Magnetic Materials (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Hard Magnetic Materials (AREA)
  • Biological Depolymerization Polymers (AREA)
  • Coils Or Transformers For Communication (AREA)
  • Aerials With Secondary Devices (AREA)
DE69726401T 1996-09-06 1997-09-05 Komposit magnetmaterial und material zur unterdruckung von elektromagnetischen interferenzen Expired - Lifetime DE69726401T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP23655496 1996-09-06
JP8236554A JPH1083911A (ja) 1996-09-06 1996-09-06 複合磁性体及びそれを用いた電磁干渉抑制体
PCT/JP1997/003128 WO1998010440A1 (fr) 1996-09-06 1997-09-05 Materiau magnetique composite et materiau de suppression des inteferences electromagnetiques

Publications (2)

Publication Number Publication Date
DE69726401D1 true DE69726401D1 (de) 2004-01-08
DE69726401T2 DE69726401T2 (de) 2004-08-26

Family

ID=17002377

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69726401T Expired - Lifetime DE69726401T2 (de) 1996-09-06 1997-09-05 Komposit magnetmaterial und material zur unterdruckung von elektromagnetischen interferenzen

Country Status (7)

Country Link
EP (1) EP0866475B1 (de)
JP (1) JPH1083911A (de)
KR (1) KR100484000B1 (de)
CN (1) CN1149592C (de)
DE (1) DE69726401T2 (de)
TW (1) TW368763B (de)
WO (1) WO1998010440A1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002217586A (ja) * 2001-01-22 2002-08-02 Sony Corp 電波吸収体
DE10106172A1 (de) * 2001-02-10 2002-08-29 Bosch Gmbh Robert Verfahren zur Herstellung eines Formteils aus einem weichmagnetischen Verbundwerkstoff
JP2002374092A (ja) * 2001-06-15 2002-12-26 Polymatech Co Ltd 放熱性電波吸収体
CN101069461B (zh) * 2004-12-03 2010-12-08 新田股份有限公司 电磁干扰抑制体、天线装置及电子信息传输装置
WO2007029736A1 (ja) * 2005-09-06 2007-03-15 Santoku Corporation 多孔質鉄粉、その製造方法及び電波吸収体
JP4818852B2 (ja) * 2006-08-31 2011-11-16 ソニーケミカル＆インフォメーションデバイス株式会社 磁性シートの製造方法及び磁性シート
JP2011129798A (ja) * 2009-12-21 2011-06-30 Mitsumi Electric Co Ltd 高周波用磁性材料、高周波デバイス及び磁性粒子
CN105744818A (zh) * 2016-02-03 2016-07-06 中电海康集团有限公司 一种柔性磁屏蔽和抗辐照薄膜
JP6371453B2 (ja) * 2017-08-29 2018-08-08 株式会社東栄科学産業 磁歪計測装置、磁歪計測方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5275880A (en) * 1989-05-17 1994-01-04 Minnesota Mining And Manufacturing Company Microwave absorber for direct surface application
JPH05251222A (ja) * 1992-03-05 1993-09-28 Seiko Epson Corp 樹脂結合型磁石
FI117224B (fi) * 1994-01-20 2006-07-31 Nec Tokin Corp Sähkömagneettinen häiriönpoistokappale, ja sitä soveltavat elektroninen laite ja hybridimikropiirielementti

Also Published As

Publication number Publication date
CN1149592C (zh) 2004-05-12
TW368763B (en) 1999-09-01
CN1200192A (zh) 1998-11-25
EP0866475A1 (de) 1998-09-23
DE69726401T2 (de) 2004-08-26
EP0866475B1 (de) 2003-11-26
JPH1083911A (ja) 1998-03-31
EP0866475A4 (de) 2000-04-12
WO1998010440A1 (fr) 1998-03-12
KR100484000B1 (ko) 2005-09-09
KR20000064312A (ko) 2000-11-06

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Legal Events

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